Are preserved eggs harmful to health?

Preserved eggs themselves are called preserved eggs, which are delicious foods made of lime and duck eggs. This kind of preserved egg contains a lot of heavy metals in the production process, which is easy to lead to excessive heavy metals after entering the human body, which is not conducive to human health. Moreover, during the curing process of preserved eggs, the structure of protein changed and was basically destroyed, which may cause abdominal pain and diarrhea. Lead ions contained in it will also affect the physical development of teenagers, so it is generally recommended to eat preserved eggs in small quantities.